>As we have know that there has been iPhone firmware 2.2.1 release by Apple and you will able to get this firmware 2.2.1 through your iTunes. There are some bug fixes ans there are some improvements included in this firmware such as Improved general stability in safari now can display images have been saved to E-mail.
But you may need to notify updating your firmware will make you own the new baseband permanently. In other word you will unable to unlock you iPhone. So if you want to keep your iPhone unlocked you have not update your Firmware 2.2 to the latest firmware, iPhone firmware 2.2.1.
But you may need to looking information about Dev Team, who used to create new way to jailbreak you iPhone and iPhod. May be you will be interested to update your firmware when there is a confirmation that Dave Team has been able to Jailbreak iPhone 3g or iPhone with the latest baseband from latest iPhone firmware 2.2.1.
